469527
Descripción
Test por gina_evans0312, actualizado hace más de 1 año
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Creado por gina_evans0312
hace casi 11 años
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Pregunta 1
Pregunta
In normal RBC destruction, globin is recycled and Fe is broken down
Respuesta
- True
- False
Pregunta 2
Pregunta
In Intravascular Haemolytic Anaemia, cells are lysed in the blood vessels
Respuesta
- True
- False
Pregunta 3
Pregunta
Why is Intravascular H.A so dangerous?
Respuesta
-
Hb dimers form in the blood and block the kidneys
-
R.B.C fragments block capillaries
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R.B.C's aggregate and block capillaries
Pregunta 4
Pregunta
Renal failure and Heamoglobinurea are caused by...
Respuesta
-
Intravascular
-
Extravascular
Pregunta 5
Pregunta
What is implicated in Extravascular Haemolytic Anaemia
Respuesta
-
The spleen
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The bone marrow
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The liver
Pregunta 6
Pregunta
In Extravascular, macrophage Fc receptors bind to the RBC's Ig's
Respuesta
- True
- False
Pregunta 7
Pregunta
Once bound, what happens to RBC's in Haemolytic Anaemia
Respuesta
-
A small portion of RBC membrane in ingested
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RBC's a phagocytosed
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Leukocytes bind to RBC's
Pregunta 8
Pregunta
If small portions of RBC membrane is removed, what happens?
Respuesta
-
Cell becomes spherical and less malleable
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And is deformed by spleenic machinary
Pregunta 9
Pregunta
Loss of RBC's leads to low glucose in the spleen, which leads to...
Respuesta
-
Inc haemolysis
-
Fatigue
-
Inc risk of diabetes
Pregunta 10
Pregunta
Reticuloctosis- inc presence of reticulocytes
Respuesta
- True
- False
Pregunta 11
Pregunta
What causes reticulocytosis?
Respuesta
-
The body trying to replace lost R.B.C's but can't keep up production
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The damaged R.B.Cs degenerate into reticulocytes
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The lymphocytes attack R.B.Cs, making them degenerate into reticulocytes
Pregunta 12
Pregunta
In Drug Induced Haemolytic Anaemia, what happens?
Respuesta
-
Drug induced antibodies cross react
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Drug specific antibodies cross react
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Drugs cause R.B.C's to aggregate
Pregunta 13
Pregunta
Haemolytic Anaemias can be caused by physical stress....
Respuesta
-
Caused by heart valve turbulence
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Damage from fibrin strands
Pregunta 14
Pregunta
March Haemoglobinurea is damge to RBC's in small foot bones due to prolonged marching/running
Respuesta
- True
- False
Pregunta 15
Pregunta
Infections can cause H.A by altering R.B.C morphology
Respuesta
- True
- False
Pregunta 16
Pregunta
What's the difference between Immune and Autoimmune Haemolytic Anaemia?
Respuesta
-
Immune - Antibodies react with own RBC's Autoimmune - Antibodies react with transfused RBC's
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Autoimmune - Antibodies react with own RBC's Immune- Antibodies react with transfused RBC's
Pregunta 17
Pregunta
In some cases, an RBC transfusion can lead to degredation of the original RBC's
Respuesta
- True
- False
Pregunta 18
Pregunta
Name two types of Inherited Haemolytic Anaemia
Respuesta
-
Sickel Cell Anaemia
-
Thalassaemia
Pregunta 19
Pregunta
Hereditary Spherocytosis is caused by an abnormal membrane causing Spherical R.B.C's
Respuesta
- True
- False
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